[ViewVC] Diff of: radiance/ray/src/cal/cal/root.cal

Comparing ray/src/cal/cal/root.cal (file contents):
Revision 1.3 by greg, Tue Oct 11 15:40:54 2011 UTC vs.
Revision 1.4 by greg, Mon Jun 10 13:56:52 2019 UTC

#	Line 17 \| Line 17 \| root2(f, x0, x1, i) = if(i,
17
18		abs(x) = if(x, x, -x);
19		lim(x) = if(x, max(x,err), -max(-x,err));
20	–	max(a,b) = if(a-b, a, b);
20
21		f1(f,x) = (f(x+FTINY)-f(x-FTINY))/(2*FTINY); { numerical derivative }
22

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